package ai.example.langchain4j.config;

import ai.example.langchain4j.store.InMemoryChatMemoryStore;
import dev.langchain4j.memory.ChatMemory;
import dev.langchain4j.memory.chat.ChatMemoryProvider;
import dev.langchain4j.memory.chat.MessageWindowChatMemory;
import jakarta.annotation.Resource;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class LangChain4jConfig {

    @Resource
    InMemoryChatMemoryStore inMemoryChatMemoryStore;

    @Bean
    ChatMemory chatMemory() {
        //设置聊天记忆记录的message数量
        return MessageWindowChatMemory.withMaxMessages(10);
    }


    @Bean
    ChatMemoryProvider chatMemoryProvider() {
        return memoryId -> MessageWindowChatMemory.builder()
                .id(memoryId)
                .maxMessages(10)
                .chatMemoryStore(inMemoryChatMemoryStore)
                .build();
    }

}
